71045105 has 8 divisors (see below), whose sum is σ = 85320000. Its totient is φ = 56792176.

The previous prime is 71045081. The next prime is 71045131. The reversal of 71045105 is 50154017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71045105 - 2⁸ = 71044849 is a prime.

It is a super-2 number, since 2×71045105² = 10094813888922050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2756 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (10665000).

Almost surely, 2^71045105 is an apocalyptic number.

It is an amenable number.

71045105 is a deficient number, since it is larger than the sum of its proper divisors (14274895).

71045105 is a wasteful number, since it uses less digits than its factorization.

71045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 71045105 is about 8428.8258375648. The cubic root of 71045105 is about 414.1694425703.

The spelling of 71045105 in words is "seventy-one million, forty-five thousand, one hundred five".